Cost effective way to save energy with this old house general contractor tom silva.
Disturbed insulation in attic.
See below for a shopping list and tools subscribe to this old house.
Consider this statement from research titled zonolite attic insulation exposure studies where even the suggested method for removal by the manufacturer grace created a very unsafe condition.
Insulation is disturbed for a variety of reasons.
Even settling with age can render insulation ineffective.
When doing renovations additions what we normally do is use an electric leaf blower to blow the insulation to another area of the attic.
R value simply means resistance to heat flow.
Tap pest control insulation is a loose fill cellulose insulation so it is installed by being blown into attics on top of existing insulation.
These thermal defects not only undermine the r value of your insulation but they also make rooms uncomfortable and increase your utility bill.
Once vermiculite is disturbed millions of asbestos fibers become airborne.
Research demonstrating the dangers associated with disturbing vermiculite.
How effective is your insulation.
Simple thermal analysis reveals that if you have 5 missing insulation in an attic bare sheetrock you ll have a slightly more than a 54 drop in r value.
Below is a snapshot of the installation process in five easy steps.